/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions Copyright 2014-2016 ForgeRock AS.
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*/
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package org.forgerock.opendj.config.dsconfig;
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import static com.forgerock.opendj.dsconfig.DsconfigMessages.*;
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import java.text.NumberFormat;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import org.forgerock.opendj.config.BooleanPropertyDefinition;
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import org.forgerock.opendj.config.DurationPropertyDefinition;
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import org.forgerock.opendj.config.DurationUnit;
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import org.forgerock.opendj.config.PropertyDefinition;
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import org.forgerock.opendj.config.PropertyValueVisitor;
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import org.forgerock.opendj.config.SizePropertyDefinition;
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import org.forgerock.opendj.config.SizeUnit;
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/**
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* A class responsible for displaying property values. This class takes care of using locale specific formatting rules.
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*/
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final class PropertyValuePrinter {
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/** Perform property type specific print formatting. */
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private static final class MyPropertyValueVisitor extends PropertyValueVisitor<LocalizableMessage, Void> {
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/** The requested size unit (null if the property's unit should be used). */
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private final SizeUnit sizeUnit;
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/** The requested time unit (null if the property's unit should be used). */
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private final DurationUnit timeUnit;
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/** Whether or not values should be displayed in a script-friendly manner. */
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private final boolean isScriptFriendly;
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/** The formatter to use for numeric values. */
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private final NumberFormat numberFormat;
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/** Private constructor. */
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private MyPropertyValueVisitor(SizeUnit sizeUnit, DurationUnit timeUnit, boolean isScriptFriendly) {
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this.sizeUnit = sizeUnit;
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this.timeUnit = timeUnit;
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this.isScriptFriendly = isScriptFriendly;
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numberFormat = NumberFormat.getNumberInstance();
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numberFormat.setGroupingUsed(!this.isScriptFriendly);
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numberFormat.setMaximumFractionDigits(2);
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}
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@Override
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public LocalizableMessage visitBoolean(BooleanPropertyDefinition pd, Boolean v, Void p) {
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return v ? INFO_VALUE_TRUE.get() : INFO_VALUE_FALSE.get();
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}
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@Override
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public LocalizableMessage visitDuration(DurationPropertyDefinition pd, Long v, Void p) {
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if (pd.getUpperLimit() == null && (v < 0 || v == Long.MAX_VALUE)) {
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return INFO_VALUE_UNLIMITED.get();
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}
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LocalizableMessageBuilder builder = new LocalizableMessageBuilder();
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long ms = pd.getBaseUnit().toMilliSeconds(v);
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if (timeUnit == null && !isScriptFriendly && ms != 0) {
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// Use human-readable string representation by default.
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builder.append(DurationUnit.toString(ms));
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} else {
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// Use either the specified unit or the property definition's
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// base unit.
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DurationUnit unit = timeUnit;
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if (unit == null) {
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unit = pd.getBaseUnit();
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}
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builder.append(numberFormat.format(unit.fromMilliSeconds(ms)));
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builder.append(' ');
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builder.append(unit.getShortName());
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}
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return builder.toMessage();
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}
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@Override
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public LocalizableMessage visitSize(SizePropertyDefinition pd, Long v, Void p) {
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if (pd.isAllowUnlimited() && v < 0) {
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return INFO_VALUE_UNLIMITED.get();
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}
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SizeUnit unit = sizeUnit;
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if (unit == null) {
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if (isScriptFriendly) {
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// Assume users want a more accurate value.
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unit = SizeUnit.getBestFitUnitExact(v);
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} else {
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unit = SizeUnit.getBestFitUnit(v);
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}
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}
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LocalizableMessageBuilder builder = new LocalizableMessageBuilder();
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builder.append(numberFormat.format(unit.fromBytes(v)));
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builder.append(' ');
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builder.append(unit.getShortName());
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return builder.toMessage();
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}
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@Override
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public <T> LocalizableMessage visitUnknown(PropertyDefinition<T> pd, T v, Void p) {
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// For all other property definition types the default encoding
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// will do.
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String s = pd.encodeValue(v);
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if (isScriptFriendly) {
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return LocalizableMessage.raw("%s", s);
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} else if (s.trim().length() == 0 || s.contains(",")) {
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// Quote empty strings or strings containing commas
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// non-scripting mode.
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return LocalizableMessage.raw("\"%s\"", s);
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} else {
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return LocalizableMessage.raw("%s", s);
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}
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}
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}
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/** The property value printer implementation. */
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private final MyPropertyValueVisitor pimpl;
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/**
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* Creates a new property value printer.
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*
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* @param sizeUnit
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* The user requested size unit or <code>null</code> if best-fit.
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* @param timeUnit
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* The user requested time unit or <code>null</code> if best-fit.
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* @param isScriptFriendly
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* If values should be displayed in a script friendly manner.
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*/
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public PropertyValuePrinter(SizeUnit sizeUnit, DurationUnit timeUnit, boolean isScriptFriendly) {
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this.pimpl = new MyPropertyValueVisitor(sizeUnit, timeUnit, isScriptFriendly);
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}
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/**
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* Print a property value according to the rules of this property value printer.
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*
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* @param <T>
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* The type of property value.
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* @param pd
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* The property definition.
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* @param value
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* The property value.
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* @return Returns the string representation of the property value encoded according to the rules of this property
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* value printer.
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*/
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public <T> LocalizableMessage print(PropertyDefinition<T> pd, T value) {
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return pd.accept(pimpl, value, null);
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}
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}
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